Most Evil (2006)

Episode Overview

Dr. Stone's scale of evil has unraveled the intricate psychology behind the nation’s most infamous criminals. Now, he aims to apply this knowledge to uncover fresh leads in unsolved cases. Cold cases, such as the notorious Black Dahlia mystery, will be revisited as Dr. Stone examines profiles of potential killers who could still be on the loose. He plans to enter a prison to confront Bill Heirens, the suspected Lipstick Murderer, in a direct meeting that could provide vital insights.